CSLBl C-10l Electricall Examl (Latestl 2026/l
2027l Update)l 100%l Verifiedl Questionsl &l
Answersl |l Gradel A
Q:l Accordingl tol thel NEC,l thel minimuml lightingl loadl forl al residencel isl 3l wattsl perl
sql ft.l Thel minimuml lightingl loadl forl al hospitall isl _____l perl sql ft.
Answer:
2l watts
Q:l Whatl typel ofl switchl doesl thisl symboll represent?
Answer:
single-pole,l double-throw
Q:l Wherel mustl youl providel al disconnectingl meansl inl circuitsl ofl anyl voltage?
Answer:
onl thel supplyl sidel ofl cartridgel fuses
Q:l Whatl typel ofl switchl doesl thisl symboll represent?
Answer:
double-pole,l single-throw
Q:l Groundingl rodsl should:
Answer:
bel placedl atl leastl 6'l apart
,Q:l Al singlel rod,l pipe,l orl platel electrodel withl al resistancel ofl morel thanl ___l mustl
havel anl additionall groundl electrode.
Answer:
25l ohms
Q:l Motorsl ofl 1/3,l 1/4,l andl 1/8l hpl arel connectedl inl parallel.l Thosel motorsl deliverl al
totall ofl _______.
Answer:
17/24l hp=l 7/24l hpl 1/3l +l 1/4l +l 1/8
Q:l Solvel forl "I"l (current)l givenl thel informationl inl thel transformerl drawingl shown.
Answer:
200l ampsl I=P/E
Q:l Al wattmeterl mustl bel connectedl tol thel sourcel andl loadl circuit:
,Answer:
inl bothl seriesl andl parallel
Q:l Whatl doesl thisl electricall symboll represent?
Answer:
coil
Q:l Thel intensityl ofl currentl isl measuredl in:
Answer:
amperes
Q:l Thel amperagel ratingl forl No.l 12l THWl is:
Answer:
20l amps
Q:l Ohms'sl Lawl statesl Il =l E/Rl wherel Il isl thel currentl inl amperes,l El isl thel
electromotivel forcel inl volts,l andl Rl isl thel resistancel inl ohms.l Solvel Ohm'sl Lawl forl E.
Answer:
El =l IR
Q:l Whatl isl wrongl withl thel circuitl shown?l (Tol simplifyl thel diagram,l overloadl
elementsl andl disconnectingl meansl arel notl shown.)
Answer:
groundl faultl couldl startl motor
Q:l Whichl ofl thel followingl isl anl Uferl ground?
, Answer:
al copperl groundingl electrodel encasedl inl thel bottoml 3"l ofl al concretel footing
Q:l Whatl isl thel totall resistancel ofl thel circuitl shown?
Answer:
80l ohms
Q:l Whichl ofl thel followingl regulationsl appliesl tol service-entrancel conductorsl thatl arel
supplyingl servicel tol al buildingl orl structure?
Answer:
Thel conductorsl mayl notl passl throughl thel interiorl ofl anotherl buildingl orl structure.
Q:l Ifl currentl leadsl thel voltagel inl anl acl circuit,l whichl ofl thel followingl wouldl bel thel
mostl likelyl cause?
Answer:
capacitivel reactance
Q:l Howl oftenl shouldl al firel extinguisherl bel maintainedl andl tested?
Answer:
everyl year
Q:l Thel symptomsl ofl shockl are:
Answer:
cool,l sweaty,l pale,l andl bluishl skin,l rapidl andl weakl pulsel andl shallowl breathing,l
nausea,l vomiting,l andl dizziness
2027l Update)l 100%l Verifiedl Questionsl &l
Answersl |l Gradel A
Q:l Accordingl tol thel NEC,l thel minimuml lightingl loadl forl al residencel isl 3l wattsl perl
sql ft.l Thel minimuml lightingl loadl forl al hospitall isl _____l perl sql ft.
Answer:
2l watts
Q:l Whatl typel ofl switchl doesl thisl symboll represent?
Answer:
single-pole,l double-throw
Q:l Wherel mustl youl providel al disconnectingl meansl inl circuitsl ofl anyl voltage?
Answer:
onl thel supplyl sidel ofl cartridgel fuses
Q:l Whatl typel ofl switchl doesl thisl symboll represent?
Answer:
double-pole,l single-throw
Q:l Groundingl rodsl should:
Answer:
bel placedl atl leastl 6'l apart
,Q:l Al singlel rod,l pipe,l orl platel electrodel withl al resistancel ofl morel thanl ___l mustl
havel anl additionall groundl electrode.
Answer:
25l ohms
Q:l Motorsl ofl 1/3,l 1/4,l andl 1/8l hpl arel connectedl inl parallel.l Thosel motorsl deliverl al
totall ofl _______.
Answer:
17/24l hp=l 7/24l hpl 1/3l +l 1/4l +l 1/8
Q:l Solvel forl "I"l (current)l givenl thel informationl inl thel transformerl drawingl shown.
Answer:
200l ampsl I=P/E
Q:l Al wattmeterl mustl bel connectedl tol thel sourcel andl loadl circuit:
,Answer:
inl bothl seriesl andl parallel
Q:l Whatl doesl thisl electricall symboll represent?
Answer:
coil
Q:l Thel intensityl ofl currentl isl measuredl in:
Answer:
amperes
Q:l Thel amperagel ratingl forl No.l 12l THWl is:
Answer:
20l amps
Q:l Ohms'sl Lawl statesl Il =l E/Rl wherel Il isl thel currentl inl amperes,l El isl thel
electromotivel forcel inl volts,l andl Rl isl thel resistancel inl ohms.l Solvel Ohm'sl Lawl forl E.
Answer:
El =l IR
Q:l Whatl isl wrongl withl thel circuitl shown?l (Tol simplifyl thel diagram,l overloadl
elementsl andl disconnectingl meansl arel notl shown.)
Answer:
groundl faultl couldl startl motor
Q:l Whichl ofl thel followingl isl anl Uferl ground?
, Answer:
al copperl groundingl electrodel encasedl inl thel bottoml 3"l ofl al concretel footing
Q:l Whatl isl thel totall resistancel ofl thel circuitl shown?
Answer:
80l ohms
Q:l Whichl ofl thel followingl regulationsl appliesl tol service-entrancel conductorsl thatl arel
supplyingl servicel tol al buildingl orl structure?
Answer:
Thel conductorsl mayl notl passl throughl thel interiorl ofl anotherl buildingl orl structure.
Q:l Ifl currentl leadsl thel voltagel inl anl acl circuit,l whichl ofl thel followingl wouldl bel thel
mostl likelyl cause?
Answer:
capacitivel reactance
Q:l Howl oftenl shouldl al firel extinguisherl bel maintainedl andl tested?
Answer:
everyl year
Q:l Thel symptomsl ofl shockl are:
Answer:
cool,l sweaty,l pale,l andl bluishl skin,l rapidl andl weakl pulsel andl shallowl breathing,l
nausea,l vomiting,l andl dizziness
